import os
from flask import  Flask
def create_app(test_config=None):
    # create and configure the app
    app = Flask(__name__, instance_relative_config=True,
                template_folder="templates", static_folder="static", static_url_path="/s"
                )
    app.config['JSON_AS_ASCII'] = False
    '''
    app.config.from_mapping(
        SECRET_KEY='dev',
        DATABASE=os.path.join(app.instance_path, 'flaskr.sqlite'),
    )

    if test_config is None:
        # load the instance config, if it exists, when not testing
        app.config.from_pyfile('config.py', silent=True)
    else:
        # load the test config if passed in
        app.config.from_mapping(test_config)

    # ensure the instance folder exists
    try:
        os.makedirs(app.instance_path)
    except OSError:
        pass
       '''

    # a simple page that says hello
    #@app.route('/hello')
    def hello():
        return 'Hello, World!'
    
    
    from . import auth
    app.register_blueprint(auth.bp)
    
    from . import demo
    app.register_blueprint(demo.bp)
    
    from . import bcosproxy
    app.register_blueprint(bcosproxy.bp)
    return app

